1. Classification

2. Classification System to organize all living creatures plants animals
microbes
etc.
Nowadays we
can use DNA
and protein sequencing
to help us see similarities

3. Organizing the world of organsims
The Tree of Life
organize creatures by structure & function
how they are built
how they live
organize them into groups of closely related creatures

4. Bacteria & Archaebacteria
Eukaryote
Prokaryote
Classification
6 Kingdom system
Prokaryotes
No separate organelles in their cells
Bacteria
Archaebacteria
Eukaryotes
Separate organelles in their cells
Protists
Plants
Fungi
Animals
Bacteria & Archaebacteria

5. Kingdom Archaebacteria
Prokaryotes
Kingdom Protist
Kingdom Fungi
Kingdom Plant
Kingdom Animal
Kingdom Archaebacteria
Kingdom Bacteria
Eukaryotes

6. Classification
Kingdom
Phylum
Class
Order
Family
Genus
species

7. Carolus Linnaeus The Linnean system Homo sapiens proposed in 1700s
each species has a 2 part name
genus
species
Homo sapiens

8. Latin binomial 2 part scientific name
Genus — larger group to which organism belongs
always capitalized
species — specific name for that organism
always lowercase
example: Linnaeus named humans Homo sapiens
means “wise man” — perhaps in a show of hope & optimism

9. Genus groupings Classify organisms into broader groups
Species that are closely related are grouped into the same genus
Leopard Panthera pardus
African lion Panthera leo
Tiger Panthera tigris

10. Orders & families

11. Why not use common names?
Misleading
starfish
dragonfly
Confusing
blue jay, blue coat, corn thief
dog, perro, chien
I swim, but I’m still a bird!

12. Why not use common names?
But they all have only one scientific name!
Pisaster ochraceus
Pyrrhosoma nymphula
Cyanocitta cristata

13. Any Questions?